package solution;

import java.util.Arrays;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ws
 * Date: 2023-01-19
 * Time: 21:56
 */
public class Solution11 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String s = in.nextLine();
            char[] arr = s.toCharArray();
            Arrays.sort(arr);
            System.out.println(new String(arr));
        }
    }
}
